Category Archives: Embedded system

Vnc server and vnc viewer is used to Remote Access in most of the Linux machines like Fedora, RHEL, Ubuntu or any other Linux distro. Sometimes it is necessary for System Administrators and developers to access a Linux machine remotely. Usually things can be done via SSH but you cannot do graphical stuffs using SSH.… Read More »

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Sometimes you wanted to change the Hostname on a Linux machine like on your Ubuntu PC or a Fedora machine or any other Linux distro like a Citrix XenServer to somewhat relevant to the service running on a server or say you have some slogan of yours that you want to put as a Hostname… Read More »

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When you are starting to learn Linux programming or Device driver development, then the first thing you need is the Linux Kernel which is available in a zipped archive format from kernel.org. Sometimes I just download the kernel to browse source code of some modules. How to download the Linux kernel source? You just go… Read More »

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Vim is the best text editor when it comes to speed, handy and features comparison with any other text editor in this world. You will understand this if you are a UNIX user, administrator or a developer and more importantly if you really know how powerful VIM is. Anyways, today I am going to tell… Read More »

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There are several ways to know the current shell on which you are working. We will be using some shell commands to know in which Shell you are working on. #1 To know Which Shell you are working on: The easiest way is by entering the following command in the shell itself: $ ps -p… Read More »

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What is Cstyle programming and why should we use this? Basically Cstyle is a coding standard for programming languages such as C program or any other programming language. As a beginner when we start coding we never follow this or any kind of coding standard. But at work place or as part of industry standard… Read More »

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Xilinx Interview Questions here I present is for a Linux Device Driver developer. The interview that I attended for Xilinx India Technology Services Pvt Ltd. for a Senior Engineer post and the requirement was for Linux Device Driver Developer. There were a total 5 rounds of technical interview questions all related to Linux Device Driver… Read More »

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“Divided by Zero” exception, what is this? This is a good question and you must know the answer which will lead you to know a system better. When I was a beginner and learning Embedded Systems Design, I came across this situation when I was programming in C. Now I got a clearer picture on… Read More »